package com.example.demo.web;

import com.example.demo.entity.User;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;

/**
 * Created by xiabin on 2017/7/14.
 */
@RequestMapping("/user")
@RestController
public class UserController {
    private ConcurrentHashMap<Integer, User> userMap = new ConcurrentHashMap<>();

    @ApiOperation(value="创建用户", notes="根据User对象创建用户")
    @ApiImplicitParam(name = "user", value = "用户详细实体user", required = true, dataType = "User")
    @RequestMapping(value = "", method = RequestMethod.POST)
    String addUser(@ModelAttribute User user) {
        if(userMap.containsKey(user.getId())) {
            return "already exist";
        }
        userMap.put(user.getId(), user);
        return "success";
    }

    @ApiOperation(value="更新用户详细信息", notes="根据url的id来指定更新对象，并根据传过来的user信息来更新用户详细信息")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long"),
            @ApiImplicitParam(name = "user", value = "用户详细实体user", required = true, dataType = "User")
    })
    @RequestMapping(value = "/{id}", method = RequestMethod.PUT)
    String updateUser(@PathVariable("id") Integer id, @ModelAttribute User user) {
        if(userMap.containsKey(user.getId())) {
            userMap.put(user.getId(), user);
            return "success";
        }
        return "not exist";
    }

    @ApiOperation(value="删除用户", notes="根据url的id来指定删除对象")
    @ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long")
    @RequestMapping(value = "/{id}", method = RequestMethod.DELETE)
    String delUser(@PathVariable("id") Integer id){
        userMap.remove(id);
        return "success";
    }

    @ApiOperation(value="获取用户详细信息", notes="根据url的id来获取用户详细信息")
    @ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long")
    @RequestMapping(value = "/{id}", method = RequestMethod.GET)
    String getUser(@PathVariable("id") Integer id) {
        if(userMap.containsKey(id)) {
            return userMap.get(id).getName();
        } else {
            return "not found";
        }
    }
    @ApiOperation(value="获取用户列表", notes="")
    @RequestMapping(value = "", method = RequestMethod.GET)
    List<User> getUserList() {
        return new ArrayList<>(userMap.values());
    }
}
